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add bunch of new java APIs: mostly stubs or copied from AOSP

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Many of these classes are only needed to be subclassed by androidx
support library, which is used in many android apps
This commit is contained in:
Julian Winkler
2023-08-17 10:46:24 +02:00
parent a8e39cd613
commit 82744e9e5e
87 changed files with 2746 additions and 46 deletions
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79
src/api-impl/android/view/ViewGroup.java
View File

@@ -1,6 +1,9 @@
package android.view;
import android.R;
import android.animation.LayoutTransition;
import android.content.Context;
import android.content.res.TypedArray;
import android.util.AttributeSet;
import java.util.ArrayList;
@@ -89,6 +92,72 @@ public class ViewGroup extends View implements ViewParent, ViewManager {
return true;
}
public LayoutTransition getLayoutTransition() {return null;}
public static int getChildMeasureSpec(int spec, int padding, int childDimension) {
int specMode = MeasureSpec.getMode(spec);
int specSize = MeasureSpec.getSize(spec);
int size = Math.max(0, specSize - padding);
int resultSize = 0;
int resultMode = 0;
switch (specMode) {
// Parent has imposed an exact size on us
case MeasureSpec.EXACTLY:
if (childDimension >= 0) {
resultSize = childDimension;
resultMode = MeasureSpec.EXACTLY;
} else if (childDimension == LayoutParams.MATCH_PARENT) {
// Child wants to be our size. So be it.
resultSize = size;
resultMode = MeasureSpec.EXACTLY;
} else if (childDimension == LayoutParams.WRAP_CONTENT) {
// Child wants to determine its own size. It can't be
// bigger than us.
resultSize = size;
resultMode = MeasureSpec.AT_MOST;
}
break;
// Parent has imposed a maximum size on us
case MeasureSpec.AT_MOST:
if (childDimension >= 0) {
// Child wants a specific size... so be it
resultSize = childDimension;
resultMode = MeasureSpec.EXACTLY;
} else if (childDimension == LayoutParams.MATCH_PARENT) {
// Child wants to be our size, but our size is not fixed.
// Constrain child to not be bigger than us.
resultSize = size;
resultMode = MeasureSpec.AT_MOST;
} else if (childDimension == LayoutParams.WRAP_CONTENT) {
// Child wants to determine its own size. It can't be
// bigger than us.
resultSize = size;
resultMode = MeasureSpec.AT_MOST;
}
break;
// Parent asked to see how big we want to be
case MeasureSpec.UNSPECIFIED:
if (childDimension >= 0) {
// Child wants a specific size... let them have it
resultSize = childDimension;
resultMode = MeasureSpec.EXACTLY;
} else if (childDimension == LayoutParams.MATCH_PARENT) {
// Child wants to be our size... find out how big it should
// be
resultSize = 0; //View.sUseZeroUnspecifiedMeasureSpec ? 0 : size;
resultMode = MeasureSpec.UNSPECIFIED;
} else if (childDimension == LayoutParams.WRAP_CONTENT) {
// Child wants to determine its own size.... find out how
// big it should be
resultSize = 0; //View.sUseZeroUnspecifiedMeasureSpec ? 0 : size;
resultMode = MeasureSpec.UNSPECIFIED;
}
break;
}
//noinspection ResourceType
return MeasureSpec.makeMeasureSpec(resultSize, resultMode);
}
public static class LayoutParams {
public static final int FILL_PARENT = -1;
public static final int MATCH_PARENT = -1;
@@ -115,9 +184,11 @@ public class ViewGroup extends View implements ViewParent, ViewManager {
}
public LayoutParams(Context context, AttributeSet attrs) {
this.width = attrs.getAttributeIntValue("http://schemas.android.com/apk/res/android", "layout_width", 0);
this.height = attrs.getAttributeIntValue("http://schemas.android.com/apk/res/android", "layout_height", 0);
TypedArray a = context.obtainStyledAttributes(attrs, R.styleable.ViewGroup_Layout);
width = a.getLayoutDimension(R.styleable.ViewGroup_Layout_layout_width, "layout_width");
height = a.getLayoutDimension(R.styleable.ViewGroup_Layout_layout_height, "layout_height");
this.gravity = attrs.getAttributeIntValue("http://schemas.android.com/apk/res/android", "layout_gravity", -1);
a.recycle();
}
public void setMargins(int left, int top, int right, int bottom) {}
@@ -129,6 +200,10 @@ public class ViewGroup extends View implements ViewParent, ViewManager {
}
public static class MarginLayoutParams extends ViewGroup.LayoutParams {
public int leftMargin;
public int topMargin;
public int rightMargin;
public int bottomMargin;
public MarginLayoutParams() {
super();